1、Lessons Learned Entry: 0254Lesson Info:a71 Lesson Number: 0254a71 Lesson Date: 1993-08-20a71 Submitting Organization: LERCa71 Submitted by: S. PapellSubject: Liquified Gas Dewars Description of Driving Event: A five liter, glass lined, liquified gas dewar exploded after workers completed a transfer
2、of liquid nitrogen from it. The explosion propelled fragmented glass from both ends of the dewar. Fortunately, no one was in the path of the razor sharp fragments and no injury resulted. The dewar had been in use for only two years and no physical deterioration had been noted.Lesson(s) Learned: Glas
3、s lined dewars which are used to transport liquified gases can explode unexpectedly and endanger personnel in the area.Recommendation(s): Wear protective equipment such as faceshield/goggles, cryogenic gloves, long sleeves and an apron when handling cryogenic fluids.Evidence of Recurrence Control Ef
4、fectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-N/AAdditional Key Phrase(s): a71 Cryogenic Systemsa71 Personal Protective EquipmentAdditional Info: Approval Info: a71 Approval Date: 1994-06-15a71 Approval Name: Maria Havenhilla71 Approval Organization: LERC/EBASa71 Approval Phone Number: 216-977-1483Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
